tvl-depot/users/wpcarro/assessments/brilliant/Utils.hs
Vincent Ambo 019f8fd211 subtree(users/wpcarro): docking briefcase at '24f5a642'
git-subtree-dir: users/wpcarro
git-subtree-mainline: 464bbcb15c
git-subtree-split: 24f5a642af
Change-Id: I6105b3762b79126b3488359c95978cadb3efa789
2021-12-14 02:15:47 +03:00

13 lines
480 B
Haskell

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module Utils where
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import Data.Function ((&))
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(|>) :: a -> (a -> b) -> b
(|>) = (&)
-- | Rotate `xs` as a cycle `n` times.
rotate :: Int -> [a] -> [a]
rotate n xs = take size . drop (n `mod` size) . cycle $ xs
where size = length xs